Upper Piluwa Khola HEP: The plant operator is explaining the isolation mode procedure which involves electrically and mechanically isolating critical equipment to ensure safe maintenance and troubleshooting. Isolation mode prevents unintended energization of generators, turbines, and auxiliary systems by securing breakers, valves, and control circuits, thereby protecting personnel equipment, and system reliability during maintenance operations. - Prijan Rijal #hydropowerdiaries | Hydropower Diar